//package qc.gateway;
//
//import lombok.AllArgsConstructor;
//import org.springframework.cloud.gateway.config.GatewayProperties;
//import org.springframework.cloud.gateway.route.RouteLocator;
//import org.springframework.cloud.gateway.support.NameUtils;
//import org.springframework.context.annotation.Primary;
//import org.springframework.stereotype.Component;
//import springfox.documentation.swagger.web.SwaggerResource;
//import springfox.documentation.swagger.web.SwaggerResourcesProvider;
//
//import java.util.ArrayList;
//import java.util.List;
//
///**
// * QCGatewaySwaggerConfig
// *
// * @author QuCheng Tech
// */
//@Component
//@Primary
//@AllArgsConstructor
//public class QCGatewaySwaggerConfig implements SwaggerResourcesProvider {
//    public static final String API_URI = "/v2/api-docs";
//
//    private final RouteLocator routeLocator;
//
//    private final GatewayProperties gatewayProperties;
//
//    @Override
//    public List<SwaggerResource> get()
//    {
//        /**
//         * 网关应用名称,不需要在网关的swagger 上展示
//         */
//        String appName = "qc-gateway";
//
//        List<SwaggerResource> resources = new ArrayList<>();
//        List<String> routes = new ArrayList<>();
//        // 取出gateway的route
//        routeLocator.getRoutes().subscribe(route -> routes.add(route.getId()));
//        // 结合配置的route-路径(Path)，和route过滤，只获取有效的route节点
//        // 打开下面注释可以自动扫描接入gateway的服务，为了演示，只扫描system
//        // gatewayProperties.getRoutes().stream().filter(routeDefinition ->
//        // routes.contains(routeDefinition.getId()))
//        gatewayProperties.getRoutes().stream()
//                .filter(route -> route.getUri().getHost() != null)
//                .filter(route -> !appName.equals(route.getUri().getHost()))
//                .forEach(routeDefinition -> routeDefinition.getPredicates().stream()
//                        .filter(predicateDefinition -> ("Path").equalsIgnoreCase(predicateDefinition.getName()))
//                        .forEach(predicateDefinition -> resources
//                                .add(swaggerResource(routeDefinition.getId(), predicateDefinition.getArgs()
//                                        .get(NameUtils.GENERATED_NAME_PREFIX + "0").replace("/**", API_URI)))));
//        return resources;
//    }
//
//    private SwaggerResource swaggerResource(String name, String location)
//    {
//        SwaggerResource swaggerResource = new SwaggerResource();
//        swaggerResource.setName(name);
//        swaggerResource.setLocation(location);
//        swaggerResource.setSwaggerVersion("2.0");
//        return swaggerResource;
//    }
//}
